1904549042952 has 48 divisors (see below), whose sum is σ = 5211330518940. Its totient is φ = 628304836608.

The previous prime is 1904549042861. The next prime is 1904549042953. The reversal of 1904549042952 is 2592409454091.

1904549042952 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 549 + 0 + 4 + 2 + 95 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1904549042916 + 36 = 1380054^2 + 6^2 .

It is not an unprimeable number, because it can be changed into a prime (1904549042953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136343893 + ... + 136357860.

Almost surely, 2^{1904549042952} is an apocalyptic number.

1904549042952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1904549042952 is an abundant number, since it is smaller than the sum of its proper divisors (3306781475988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1904549042952 is a wasteful number, since it uses less digits than its factorization.

1904549042952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272701862 (or 272701855 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 1904549042952 in words is "one trillion, nine hundred four billion, five hundred forty-nine million, forty-two thousand, nine hundred fifty-two".